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Tomihisa Oouchi
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Tsuchiura, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Absorption water heater/chiller and high temperature regenerator th...
Patent number
6,470,702
Issue date
Oct 29, 2002
Hitachi, Ltd.
Yasushi Funaba
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Absorption water heater/chiller and high temperature regenerator th...
Patent number
6,301,925
Issue date
Oct 16, 2001
Hitachi, Ltd.
Yasushi Funaba
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Heat transfer fins and heat exchanger
Patent number
5,353,866
Issue date
Oct 11, 1994
Hitachi, Ltd.
Hironobu Ueda
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Double effect air cooled absorption refrigerating machine
Patent number
4,841,744
Issue date
Jun 27, 1989
Hitachi, Ltd.
Shigekichi Kurosawa
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Heat transfer fin
Patent number
4,791,984
Issue date
Dec 20, 1988
Hitachi, Ltd.
Toshio Hatada
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Air-cooled absorption heating and cooling system
Patent number
4,748,830
Issue date
Jun 7, 1988
Hitachi, Ltd.
Tomihisa Oouchi
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Multi-stage absorption refrigeration system
Patent number
4,520,634
Issue date
Jun 4, 1985
Hitachi, Ltd.
Tomihisa Oouchi
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Vapor generator
Patent number
4,499,859
Issue date
Feb 19, 1985
Hitachi, Ltd.
Akira Nishiguchi
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
Information
Patent Application
Absorption water heater/chiller and high temperature regenerator th...
Publication number
20010020367
Publication date
Sep 13, 2001
Hitachi, Ltd.
Yasushi Funaba
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...